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. 2018 Jul 9;13:202. doi: 10.1186/s11671-018-2616-0

Fig. 1.

Fig. 1

SEM images of ZnO nanoparticles obtained from 65% ZnCl2 aqueous solution under the different mole ratios of glycerol to Zn2+ (a, 0:1; b, 0.33:1; c, 1:1; d, 1.67:1; e, 3.33:1) and (f) the statistics table about the morphology and size of ZnO nanoparticles (g*: globular, r#: rod)